107479-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107479-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,4,7 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 107479-59:
(8*1)+(7*0)+(6*7)+(5*4)+(4*7)+(3*9)+(2*5)+(1*9)=144
144 % 10 = 4
So 107479-59-4 is a valid CAS Registry Number.
107479-59-4Relevant articles and documents
The Synthesis of Dihydro-2(3H)-thiophenone Derivatives
Taguchi, Yoichi,Suhara, Yasuo
, p. 2321 - 2324 (1986)
The reaction of 2,2-dimethylthiirane (4) with diethyl malonate (5) in the presence of sodium ethoxide gave 3-ethoxycarbonyl-5,5-dimethyl-dihydro-2(3H)-thiophenone (6) and a polymer.The yield of 6 could be increased to 65percent.The reaction of thiirane, 2
